Place the Leak Alarm in any potential flood spot - next to bathrooms, basements, kitchens, boats, garages or etc. When the Leak Alarm detects even a small water leak, it sounds a very loud alarm and lets you know that you have a problem that needs your immediate attention.<br> Automatic operation. Once its three contactors touch water, it will sound immediately with 110dB loud alarm;<br> No buttons, no programming, just place it where you want to check water leakage;<br> Requires a 9-volt alkaline battery(not included)and normally a new battery can last for 1 year;<br> Use by water heater, sink cabinet, sump pump, washing machine, radiators and more;<br> Made of durable ABS Plastics. It is specially designed to float in flood circumstances.<br> Specifications:<br> Material: ABS Plastic<br> Color:White<br> Cable lenth:1 meter<br> working voltage:9v<br> Battery:9V Alkaline Battery (not included)<br> Alarm:110dB<br> Package Included:<br> 1*Water Leakage Alarm Detector